* \(575-\left(6x+70\right)=445\)
\(6x+70=575-445\)
\(6x=575-445-70\)
\(6x=60\Rightarrow x=60:6=10\)
* \(3x-8=269\)
\(3x=269+8\)
\(3x=277\Rightarrow x=277:3=\frac{277}{3}\)
(Nhớ k cho mình với nhá!)
1) 575-(6x+70)=445
(6x+70)=575-445
6x+70 =130
6x =130-70
6x =60
x =60:6
x =10